Write the name of chemicals that bring permanent hardness in water?

In an experiment on obedience to authority, one subject tells another that the shocks might not be real. Which issue of invalidity is present in this scenario? A) John Henry effect B) contamination C) placebo effect D) Hawthorne effect

If the water table is not too deep, how do plants tap into it?

A piece of gold ingot with a mass of 301 g has a volume of 15.6 cm3. calculate the density of gold.

Why is displacement useful in finding the density of an irregularly shaped object?

What is a basic property for a solid

What is the mass of an original 5.60-gram sample of iron-53 that remains unchanged after 25.53 minutes?

What happens as a result of the kinetic energy of the particles in a liquid being comparable with the intermolecular attractions between the particles? A The particles do not move enough to change positions, so the liquid is not compressible.

How many moles are im 8.31x1023 molecules of h2so4

Which terms most precisely describes the cellular process of breaking down large molecules into smaller ones?

A gas in a rigid container is heated so that it's kelvin temperature doubles. What happens to its pressure